tert-butyl 4-(2-(3-(2-((tert-butoxycarbonyl)amino)acetamido)-2-vinylphenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-carboxylate 在
palladium on activated charcoal 、
氢气 作用下,
生成 tert-butyl 4-(2-(3-(2-((tert-butoxycarbonyl)amino)acetamido)-2-ethylphenyl)-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-yl)piperazine-1-carboxylate